<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>my20140106_11</title>
<!-- 
 //这是一个时钟程序 ☆☆☆☆☆☆☆☆☆☆☆☆☆
 -->
<script type="text/javascript">
	function startTime() {
		var today = new Date()
		//alert(today.valueOf());//返回原始的毫秒值

		var h = today.getHours()
		var m = today.getMinutes()
		var s = today.getSeconds()
		// add a zero in front of numbers<10
		m = checkTime(m)
		s = checkTime(s)
		document.getElementById('txt').innerHTML = h + ":" + m + ":" + s
		t = setTimeout('startTime()', 500)
	}

	function checkTime(i) {
		if (i < 10) {
			i = "0" + i
		}
		return i
	}
</script>
</head>

<body onload="startTime()">
	<div id="txt"></div>

</body>
</html>